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dm8168 booting from nand flash fails

cdafee
Prodigy 80 points

Hello all,

I'm dealing with a problem that the dm8168 fails to boot from nand flash.Below is how I'm doing this:

1. set the boot mode of dm8168 to nand, reading CONTROL_STATUS register with CCS to check the booting mode is correctly set.The value
returned is 0x00010312, which means the boot mode is corrrect.(the nand chip is MT29F2G16ABAEAWPIT)

2.use 'DVRRDK_04.00.00.03\pre_built_binary\ti816x_evm下的nand-flash-writer.out' to program u_boot.bin.(I also used a nand flash example program to
read the data out of the nand flash and comepare with the u_boot.bin, they are the same)

3.the data print through the serial port is random.

4.the data read is totally different when using CCS to read the address 0x40400000(downloading address of nand),which means the nand data is not programmed
in.

Thanks!!!